Analysis
- max time kernel
149s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
18/05/2026, 22:29
General
- Target tmpx8umcgiv.dll
- Size 12.3MB
- Sample260518-2egcyadw21
- SHA256 d23e806f40d871f50534379a91572d06d55b946cc789cebc38f63d9a7b43f631
Malware Config
Signatures
- Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpx8umcgiv.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpx8umcgiv.dll,#12⤵
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension "exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 10803⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4580 -ip 45801⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_usz0tftu.cv0.ps1
memory/4536-18-0x00000000063D0000-0x0000000006402000-memory.dmp
memory/4536-36-0x0000000007370000-0x0000000007384000-memory.dmp
memory/4536-3-0x0000000005020000-0x0000000005648000-memory.dmp
memory/4536-4-0x0000000004E60000-0x0000000004E82000-memory.dmp
memory/4536-5-0x0000000005750000-0x00000000057B6000-memory.dmp
memory/4536-2-0x00000000029D0000-0x00000000029E0000-memory.dmp
memory/4536-6-0x00000000057C0000-0x0000000005826000-memory.dmp
memory/4536-14-0x0000000005830000-0x0000000005B84000-memory.dmp
memory/4536-15-0x0000000005E00000-0x0000000005E1E000-memory.dmp
memory/4536-16-0x0000000005E40000-0x0000000005E8C000-memory.dmp
memory/4536-17-0x000000007F050000-0x000000007F060000-memory.dmp
memory/4536-0-0x00000000029D0000-0x00000000029E0000-memory.dmp
memory/4536-1-0x0000000002820000-0x0000000002856000-memory.dmp
memory/4536-29-0x00000000070A0000-0x0000000007143000-memory.dmp
memory/4536-19-0x00000000700B0000-0x00000000700FC000-memory.dmp
memory/4536-20-0x00000000029D0000-0x00000000029E0000-memory.dmp
memory/4536-30-0x00000000077D0000-0x0000000007E4A000-memory.dmp
memory/4536-31-0x0000000007070000-0x000000000708A000-memory.dmp
memory/4536-32-0x00000000071B0000-0x00000000071BA000-memory.dmp
memory/4536-33-0x00000000073A0000-0x0000000007436000-memory.dmp
memory/4536-34-0x0000000007330000-0x0000000007341000-memory.dmp
memory/4536-28-0x0000000006FC0000-0x0000000006FDE000-memory.dmp
memory/4536-35-0x0000000007360000-0x000000000736E000-memory.dmp
memory/4536-38-0x0000000007450000-0x0000000007458000-memory.dmp
memory/4536-37-0x0000000007460000-0x000000000747A000-memory.dmp